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Tucson38 · 09-07-2014, 10:26 AM

Strange you had a 4-core. I bought a HD 3/4 GMC new in '85 with the optional "heavy duty cooling". Turns out to be a 5 bladed fan instead of 4. Radiator itself was a 2-core. Finally replaced it with a 3-core a few years ago, that was the biggest I could find.

09-07-2014, 10:26 AM	#2
Tucson38 Registered User Join Date: Aug 2011 Location: Tucson Arizona Posts: 164	Re: 4 core radiator Strange you had a 4-core. I bought a HD 3/4 GMC new in '85 with the optional "heavy duty cooling". Turns out to be a 5 bladed fan instead of 4. Radiator itself was a 2-core. Finally replaced it with a 3-core a few years ago, that was the biggest I could find.